1226045573 has 2 divisors, whose sum is σ = 1226045574. Its totient is φ = 1226045572.

The previous prime is 1226045551. The next prime is 1226045633. The reversal of 1226045573 is 3755406221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1152806209 + 73239364 = 33953^2 + 8558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226045573 - 2¹² = 1226041477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226045503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613022786 + 613022787.

It is an arithmetic number, because the mean of its divisors is an integer number (613022787).

Almost surely, 2^1226045573 is an apocalyptic number.

It is an amenable number.

1226045573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226045573 is an equidigital number, since it uses as much as digits as its factorization.

1226045573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1226045573 is about 35014.9335712636. The cubic root of 1226045573 is about 1070.2918157693.

The spelling of 1226045573 in words is "one billion, two hundred twenty-six million, forty-five thousand, five hundred seventy-three".